Grade 9 · Chemistry · Semester 1 · 2026–2027

Exploring matter, chemical changes, and the structure of the atom.

Follow along week by week as students progress from foundational chemical concepts to physical and chemical properties, mixtures, elements, and subatomic structures.

Tap any point on the curve — or any week below — to open details.

The semester journey — click a point to jump directly to that week.
W1 W2 W3 W4 W5 W6 W7 W8 W9 W10 W11 W12 W13 W14 W15 W16 W17 W18 W19 W20 ◆ TODAY
Break

National Vacation

Week 5 · Sep 20, 2026

National holiday observance (Sep 23 & 24).

Break

Autumn Break

Week 14 · Nov 22, 2026

Mid-semester scheduled break week.

Checkpoint

Revision Week

Week 18 · Dec 20, 2026

Comprehensive review covering chemistry principles before final exams.

Checkpoint

Semester 1 Exams

Weeks 19–20 · Dec 27, 2026 – Jan 3, 2027

Semester culmination testing matter, atomic structure, and nuclear decay.

W1
Aug 23, 2026
Basic Concepts
Unit 1: Basic Concepts
  • Basic Concepts

Establishing fundamental safety protocols, measurements, and key scientific principles.

W2
Aug 30, 2026
Properties of Matter
Module 2: Matter—Properties and Changes
  • Properties of Matter

Identifying physical and chemical properties that define pure substances.

W3
Sep 6, 2026
Properties of Matter (Continued)
Module 2: Matter—Properties and Changes
  • Properties of Matter

Differentiating intensive and extensive properties through observation.

W4
Sep 13, 2026
Changes in Matter
Module 2: Matter—Properties and Changes
  • Changes in Matter

Exploring phase changes, chemical reactions, and the Law of Conservation of Mass.

W5
Sep 20, 2026
Changes in Matter
Module 2: Matter—Properties and Changes
Vacation
  • National vacation 23&24
  • Changes in Matter

Applying chemical change indicators while observing holiday observances.

W6
Sep 27, 2026
Elements and Compounds
Module 2: Matter—Properties and Changes
  • Elements and Compounds

Examining pure substances, chemical symbols, and laws of definite proportions.

W7
Oct 4, 2026
Elements and Compounds (Continued)
Module 2: Matter—Properties and Changes
  • Elements and Compounds

Analyzing compound breakdown, electrolysis, and chemical formulas.

W8
Oct 11, 2026
Mixture of Matter
Module 2: Matter—Properties and Changes
  • Mixture of Matter

Differentiating homogeneous and heterogeneous mixtures.

W9
Oct 18, 2026
Mixture Separation Techniques
Module 2: Matter—Properties and Changes
  • Mixture of Matter

Mastering physical separation methods like filtration, distillation, and chromatography.

W10
Oct 25, 2026
Early Ideas About Matter
Module 3: The Structure of the Atom
  • L1: Early Ideas About Matter

Tracing historical atomic models from Democritus to John Dalton.

W11
Nov 1, 2026
Early Ideas About Matter (Continued)
Module 3: The Structure of the Atom
  • L1: Early Ideas About Matter

Evaluating Dalton's atomic theory and experimental evidence.

W12
Nov 8, 2026
Defining the Atom
Module 3: The Structure of the Atom
  • L2: Defining the Atom

Discovering subatomic particles: electrons, protons, and neutrons.

W13
Nov 15, 2026
Defining the Atom (Continued)
Module 3: The Structure of the Atom
  • L2: Defining the Atom

Exploring Rutherford's gold foil experiment and the atomic nucleus.

W14
Nov 22, 2026
Autumn Break
Break
Break
  • Autumn Break

Scheduled mid-semester autumn break.

W15
Nov 29, 2026
How Atoms Differ
Module 3: The Structure of the Atom
  • L3: How Atoms Differ

Understanding atomic number, mass number, isotopes, and atomic mass units.

W16
Dec 6, 2026
How Atoms Differ (Continued)
Module 3: The Structure of the Atom
  • L3: How Atoms Differ

Calculating average atomic mass from isotopic abundances.

W17
Dec 13, 2026
Unstable Nuclei & Radioactive Decay
Module 3: The Structure of the Atom
  • L4: Unstable Nuclei and Radioactive Decay

Investigating nuclear chemistry, radioactive radiation, and nuclear stability.

W18
Dec 20, 2026
Revision Week
Revision
Revision
  • Revision

Reviewing key concepts from all modules in preparation for final exams.

W19
Dec 27, 2026
Semester 1 Exams Start
Final Exams
Final Exam
  • Semester 1 Exams Start

Comprehensive final evaluation of Semester 1 content.

W20
Jan 3, 2027
Semester 1 Exams Conclude
Final Exams
Final Exam
  • Semester 1 Exams

Finalizing Semester 1 assessment.